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Angus Huang
8 days ago
Motor drivers
Motor drivers forum
DRV8870: MOTOR Can not workable
Part Number:
DRV8870
Hi Sir /Madam I use the chip of
DRV8870
, and connect my motor as picture, but it can not workable (don't run, just a little noise) motor no. RS-380ph power supply , 7.5V 2A Pls help to check it, thanks
Chris Jones21
2 months ago
Motor drivers
Motor drivers forum
DRV8870: Driving a single brushless DC motor from two DRV8870 in parallel
Resolved
Part Number:
DRV8870
We are using the
DRV8870
driver in our design. We are running into the thermal
BERNARDO SOLA
3 months ago
Motor drivers
Motor drivers forum
DRV8870: DRV8870
Resolved
Part Number:
DRV8870
In a new Project we are developing we are using
DRV8870
Motor Driver from
Lars Petersson
3 months ago
Motor drivers
Motor drivers forum
DRV8870: Motor stops running after >24h
TI Thinks Resolved
Part Number:
DRV8870
Hi! I'm using the
DRV8870
to drive the following DC motor (picture inserted below). I have an issue where the motor stops running after it has been running for a long time (>24h). I have looked at the load the motor is driving...
Holly Gu
4 months ago
Motor drivers
Motor drivers forum
DRV8870: Current at block
TI Thinks Resolved
Part Number:
DRV8870
Hi Team, We use
DRV8870
, Rsense = 0.36, Vref = 2.5V, target current limit is 700mA. SCH is as below. But when the motor is blocked and keep blocking there, the current waveform measured @J5 is as below. Very confused why the...
Pei Gong
4 months ago
Motor drivers
Motor drivers forum
DRV8870: DRV8870 IC OUT1/OUT2 Pin over spec
TI Thinks Resolved
Part Number:
DRV8870
Hi As we can see from our datasheet, the Absolute maximum ratings of Pin OUT1 and OUT2 should be greater than -0.7V, but we found it less than -0.7V during test(waveform as below), could you please recommend how long
DRV8870
can...
Hector Jing
5 months ago
Motor drivers
Motor drivers forum
DRV8870: Jittered Output and Lower Output Voltage
Resolved
Part Number:
DRV8870
Hi Team, When the coil load is driven by
DRV8870
which I bought from TI Store
Tsukui Yusuke
5 months ago
Motor drivers
Motor drivers forum
DRV8870: About driving motors connected in parallel
Resolved
Part Number:
DRV8870
Hi, Customer is trying to connect a motor in parallel to the output
Gabriel Xu
5 months ago
Motor drivers
Motor drivers forum
DRV8870: Abnormal Output Waveform During COAST Status
Part Number:
DRV8870
Hi teams My customer encounters some problems with
DRV8870
. The application details are listed below:( I didn't obtain the schematic from the customer) Schematic/Configuration: IN+ connected with MCU GPIO and IN- connected...
Hector Jing
6 months ago
Motor drivers
Motor drivers forum
DRV8870: Current Formula in Fast Decay Mode
TI Thinks Resolved
Part Number:
DRV8870
Hi team, When the device works in slow current decay, both low-side FETs are enabled, and the current circuit loop is approximateto a LR discharge circuit,and the current decay formula related to the off-time and load is: where...
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